ClassID:

143689

F04C29/0064 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  - ; Driving elements, brakes, couplings, transmissions specially adapted for pumps; Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions Magnetic couplings

Recent Application in this class:
#1
20250102067
2025-03-27

METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS

#2
20240405653
2024-12-05

AIR GAP MAGNETIC COUPLING WITH THERMAL ISOLATION

#3
20240280106
2024-08-22

ELECTRIC PUMP

#4
20240218875
2024-07-04

Scroll compressor and method for operating the scroll compressor

#5
20230204027
2023-06-29

Surface driven downhole pump system

#6
20220136509
2022-05-05

Refrigeration system having a compressor driven by a magnetic coupling

#7
20210363992
2021-11-25

Surface driven downhole pump system

#8
20210054841
2021-02-25

Multi-stage dry roots vacuum pump

#9
20200232459
2020-07-23

MOTOR-OPERATED COMPRESSOR

#10
20200040898
2020-02-06

Screw compressor with magnetic gear

#11
20200011426
2020-01-09

Methods and systems for sealing rotating equipment such as expanders or compressors

#12
20190203717
2019-07-04

Scroll compressor with integrated refrigerant pump

#13
20180363654
2018-12-20

Scroll compressor with axial flux motor

#14
20180291898
2018-10-11

ROTOR ASSEMBLY FOR ROTARY COMPRESSOR

#15
20170279341
2017-09-28

Motor rotor, motor using this and electric compressor

#16
20170268514
2017-09-21

Scroll device having a pressure plate

#17
20170241418
2017-08-24

Vapor compression system and method of extending service life of same

#18
20170211577
2017-07-27

Dual integrated pump having a first and second pump portion connected in series and driven by a common shaft

#19
20170167488
2017-06-15

Apparatus for driving fluid having a rotating cam and rocker arm

#20
20170082109
2017-03-23

Posture control of a balance weight in a scroll compressor

#21
20170051744
2017-02-23

Three stage scroll vacuum pump

#22
20160333877
2016-11-17

Gas compressor having block and pressure supply parts communicating with backpressure space

#23
20160290337
2016-10-06

Scroll expander with electricity generating scrolls

#24
20160146352
2016-05-26

Methods and systems for sealing rotating equipment such as expanders or compressors

#25
20160108914
2016-04-21

Gear pump

#26
20130315765
2013-11-28

Three stage scroll vacuum pump

#27
20130060311
2013-03-07

Heating/ cooling system for indwelling heat exchange catheter

#28
20130049367
2013-02-28

Power generation apparatus

#29
20130046365
2013-02-21

Heating/ cooling system for indwelling heat exchange catheter

#30
20120325426
2012-12-27

Tubing set to interconnect heating/cooling system and indwelling heat exchange catheter

#31
20120275939
2012-11-01

Electrically driven compressor system for vehicles

#32
20120128514
2012-05-24

Pumps and pump-heads with separately removable field-serviceable portion

#33
20110262291
2011-10-27

Rotor Assembly for Rotary Compressor

#34
20110256007
2011-10-20

Three stage scroll vacuum pump

#35
20110200468
2011-08-18

POWER DRIVEN COMPRESSOR SYSTEM FOR VEHICLES

#36
20110200467
2011-08-18

POWER DRIVEN COMPRESSOR THAT PREVENTS OVERHEATING OF CONTROL CIRCUIT

#37
20110176948
2011-07-21

Semi-hermetic scroll compressors, vacuum pumps, and expanders

#38
20110067425
2011-03-24

System for operating an air conditioning compressor from alternative sources

#39
20100254843
2010-10-07

Scroll compressor having rearwardly directed fluid inlet and outlet

#40
20100052834
2010-03-04

Magnetic coupler

#41
20090004037
2009-01-01

Magnetic bearing and coupling device

#42
20080181804
2008-07-31

Drive transmission mechanism between two or more rotary shafts and oil-free fluid machine equipped with the mechanism

#43
20080159888
2008-07-03

FLUID MACHINE CONNECTED TO A DRIVE SOURCE VIA A MAGNETIC COUPLING

#44
20070286749
2007-12-13

Drive for vacuum pump

#45
20070244531
2007-10-18

Heating/cooling system for indwelling heat exchange catheter

#46
20070244434
2007-10-18

Heating/cooling system for indwelling heat exchange catheter

#47
20070240447
2007-10-18

Heating/cooling system for indwelling heat exchange catheter

#48
20060039797
2006-02-23

Liquid ring compressor

#49
20050236437
2005-10-27

Screw pump and method of operating the same

#50
20050028551
2005-02-10

Heating/cooling system for indwelling heat exchange catheter